Fig. 4

35-year-old male patient, pathologically proved case of HL, initial PET/CT shows FDG-avid a right posterior triangle (exhibiting: SUVmax of 4.6, MTV of 2 cm³, and TLG of 18 gm/ml), b left paraaortic lymph nodes (exhibiting: SUVmax of 4.5, MTV of 5.5 cm³, and TLG of 25 gm/ml) and c extra-nodal splenic focal lesion (exhibiting: SUVmax of 6.9, MTV of 16 cm³, and TLG of 25 gm/ml), post-treatment PET/CT (after 6 weeks) shows PMD as following: d right posterior triangle lymph node (exhibiting: SUVmax of 8, MTV of 6 cm³, and TLG of 25 gm/m), e left paraaortic lymph node (exhibiting: SUVmax of 7.8, MTV of 14.9 cm³, and TLG of 33 gm/ml), f splenic focal lesion (exhibiting: SUVmax of 8.5, MTV of 29 cm³, and TLG of 160 gm/ml)